Fixed template specilization for MSVC compiler in mean function
Fixed template specilization for MSVC compiler in mean function

bkloppenborg/arrayfire,bkloppenborg/arrayfire,9prady9/arrayfire,pentschev/arrayfire,bkloppenborg/arrayfire,9prady9/arrayfire,ghisvail/arrayfire,shehzan10/arrayfire,pentschev/arrayfire,ghisvail/arrayfire,pentschev/arrayfire,munnybearz/arrayfire,ghisvail/arrayfire,marbre/arrayfire,munnybearz/arrayfire,arrayfire/arrayfire,shehzan10/arrayfire,9prady9/arrayfire,victorv/arrayfire,marbre/arrayfire,merlin-ext/arrayfire,marbre/arrayfire,umar456/arrayfire,munnybearz/arrayfire,merlin-ext/arrayfire,victorv/arrayfire,9prady9/arrayfire,merlin-ext/arrayfire,shehzan10/arrayfire,hshindo/arrayfire,hshindo/arrayfire,arrayfire/arrayfire,umar456/arrayfire,umar456/arrayfire,ghisvail/arrayfire,victorv/arrayfire,pentschev/arrayfire,victorv/arrayfire,hshindo/arrayfire,arrayfire/arrayfire,arrayfire/arrayfire,umar456/arrayfire,hshindo/arrayfire,bkloppenborg/arrayfire,marbre/arrayfire,merlin-ext/arrayfire,shehzan10/arrayfire